had an affair with paula broadwell. we know the fbi was aware of the affair for months part of an investigation ghan with threatening e-mails ladies and gentlemenedly sent by broadwell tol a petraeus family friend joe kelly a woman who is not romantically link to do petraeus. some are questioning why the president accepted the resignation. >> are you going to investigate why the fbi didn't know ynotify before? >> yes. this is something that could have had an effect on national security. i think we should have been told there is a way to do it that is just to inform the chair and vice-chairman of both committees to -- this has happened before not with precise same things, but none of the four of us that ever breached that confidentiality. >> fbi director petraeus was set to testify before congress what the cia knew about the attack on the u.s. consulate in benghazi. now that he has resigned they will brief congress on the attack that killed ambassador stevens and three americans. some members of congress would like to see them testify about what he knew about benghazi. >> we